Which of the following beak type is an adaption for aquatic feeding?

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Which of the following beak type is an adaption for aquatic feeding?

QUICK ANSWER…

B

DETAILS…  

The beak of birds is usually found to be adapted to its mode and source of feeding. If their prey lives in water, the beaks of these birds (like the geese) must conform in design to properly enhance successful feeding. The properties of these designs should be:

• Long, to be able to go deep into the water, and
• Flat, to be able to strain the water.

Now for the right answer to the above question:

1. Option A shows a strong and short beak, most appropriate for crushing seeds. So, A is incorrect.
2. Option B shows a long and flat beak, most appropriate for aquatic feeding. B is correct.
3. Option C shows a thin, sharp and slender beak, most appropriate for feeding on nectar. So, C is incorrect.
4. D is also incorrect; shows a strong and hooky beak, most appropriate for tearing flesh.

QUICK ADVICE…

You may please note that:

• The bird shown in option B looks like a swan or an egret, which are both aquatic feeding birds.
• Another adaptation observable here is its long neck which aids in making a farther reach into the water.

Use the questions and answers session to raise further questions and deal more on this topic…

/ culled from 2017 JAMB-UTME biology question 36 /